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Main Office

You are welcome to visit our main office, which is the headquarters for the San Pablo Bay, Marin Islands, and Antioch Dunes National Wildlife Refuges. We are generally available Monday - Friday to answer questions and provide maps and other materials. However, staff are frequently out in the field and the office may be closed. It may be best to call the office before arriving to ensure that there will be someone to assist you. Phone number: (707) 769-4200

If you use Google Maps Navigation, we are located at 2100 Sears Point Road, Sonoma CA 95476

Directions to the office from Sacramento:
Travel west on I-80, and exit Hwy 37 W towards San Rafael. Go past Hwy 121. At the next light at Lakeville Hwy, make a U-turn and head back on Hwy 37 east. Go past the weigh station and within 100 yards turn right into the driveway. You will see a sign for Sonoma Land Trust and the San Pablo Bay National Wildlife Refuge. 

Directions to the office from San Francisco:
Travel north on Hwy 101, and exit Hwy 37 East towards Vallejo. Pass Lakeville Highway and go past the weigh station and within 100 yards turn right into the driveway. You will see a sign for Sonoma Land Trust and the San Pablo Bay National Wildlife Refuge.

Coordinates to the office: N 38.140338 W 122.463694

Google Maps: https://goo.gl/maps/pcRc1oe5vkD2

Tubbs Island Trail
The entrance to Lower Tubbs Island and the Tolay Creek Trail is located adjacent to Highway 37, approximately ½ mile east of the Highway 121/37 intersection in Sonoma County. 

Google Maps to Tolay Creek Trail: https://goo.gl/maps/A3FrDW1EPUu

Cullinan Ranch Trailhead
From Hwy 101: Head east on Hwy 37. In 18 miles, take the exit toward Walnut Ave/Mare Island. Take first left. Turn right toward Hwy 37 W/Sears Point Rd. Turn right to merge onto Hwy 37 West/Sears Point Rd. Drive 3 miles heading West on Hwy 37. Turn right into the Cullinan Ranch entrance.

From Vallejo: Take Hwy 37 West/Sears Point Rd. Pass the Wilson Ave exit. Drive 4 miles. Turn right at the Cullinan Ranch entrance.

Google Maps to Cullinan Ranch Trail: https://goo.gl/maps/nSEDEL1kQ762

Sears Point (Dickson Unit) Trailhead

From Hwy 101: Head east on Hwy 37 and turn right at Lakeville Highway/Reclamation Road. Proceed to the parking lot just before the yellow gate. 

From Vallejo: Head west on Hwy 37 and turn left at Lakeville Highway/Reclamation Road. Proceed to the parking lot just before the yellow gate. 

Last Updated: Jun 22, 2016
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